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  2. Industrial
  3. Industrial flanges & gaskets
  4. Stainless Steel Flanges
  5. ASME / ANSI Class-Rated Flanges
  6. Weld-Neck Flanges

Weld-Neck Flanges

Browse weld-neck flanges within asme / ansi class-rated flanges, organised for fast product selection by system, connection and product type.

[SS-NB-FLA-RF-WN-A150-100-S40-304] DN100 (4" NB) ASA150 SCHEDULE 40s RF WELD NECK FLANGE SS 304

DN100 (4" NB) ASA150 SCHEDULE 40s RF WELD NECK FLANGE SS 304

£ 127.92
[SS-NB-FLA-RF-WN-A150-150-S40-304] DN150 (6" NB) ASA150 SCHEDULE 40s RF WELD NECK FLANGE SS 304

DN150 (6" NB) ASA150 SCHEDULE 40s RF WELD NECK FLANGE SS 304

£ 165.36
[SS-NB-FLA-250-RF-WN-S40-A150-316] DN250 (10" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN250 (10" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 705.54
[SS-NB-FLA-200-RF-WN-S40-A150-316] DN200 (8" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN200 (8" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 472.74
[SS-NB-FLA-125-RF-WN-S40-A150-316] DN125 (5" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN125 (5" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 355.26
[SS-NB-FLA-100-RF-WN-S40-A150-316] DN100 (4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN100 (4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 302.07
[SS-NB-FLA-80-RF-WN-S40-A150-316] DN80 (3" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN80 (3" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 144.33
[SS-NB-FLA-65-RF-WN-S40-A150-316] DN65 (2.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN65 (2.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 124.44
[SS-NB-FLA-50-RF-WN-S40-A150-316] DN50 (2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN50 (2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 79.71
[SS-NB-FLA-40-RF-WN-S40-A150-316] DN40 (1.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN40 (1.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 39.63
[SS-NB-FLA-32-RF-WN-S40-A150-316] DN32 (1.1/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN32 (1.1/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 34.47
[SS-NB-FLA-25-RF-WN-S40-A150-316] DN25 (1" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN25 (1" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 30.78
[SS-NB-FLA-20-RF-WN-S40-A150-316] DN20 (3/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN20 (3/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 23.61
[SS-NB-FLA-15-RF-WN-S40-A150-316] DN15 (1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

DN15 (1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316

£ 16.08
[SS-NB-FLA-250-RF-WN-S40-A150-304] DN250 (10" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN250 (10" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-200-RF-WN-S40-A150-304] DN200 (8" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN200 (8" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

£ 536.04
[SS-NB-FLA-125-RF-WN-S40-A150-304] DN125 (5" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN125 (5" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

£ 263.67
[SS-NB-FLA-100-RF-WN-S40-A150-304] DN100 (4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN100 (4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

£ 164.34
[SS-NB-FLA-80-RF-WN-S40-A150-304] DN80 (3" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN80 (3" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

£ 122.04
[SS-NB-FLA-65-RF-WN-S40-A150-304] DN65 (2.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN65 (2.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

£ 124.02
[SS-NB-FLA-50-RF-WN-S40-A150-304] DN50 (2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN50 (2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

£ 75.57
[SS-NB-FLA-40-RF-WN-S40-A150-304] DN40 (1.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN40 (1.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

£ 55.62
[SS-NB-FLA-32-RF-WN-S40-A150-304] DN32 (1.1/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN32 (1.1/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

£ 43.26
[SS-NB-FLA-25-RF-WN-S40-A150-304] DN25 (1" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN25 (1" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

£ 21.33
[SS-NB-FLA-20-RF-WN-S40-A150-304] DN20 (3/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN20 (3/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

£ 25.74
[SS-NB-FLA-15-RF-WN-S40-A150-304] DN15 (1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

DN15 (1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304

£ 17.37
[SS-NB-FLA-200-RF-WN-S80-A150-316] DN200 (8" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN200 (8" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-150-RF-WN-S80-A150-316] DN150 (6" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN150 (6" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-125-RF-WN-S80-A150-316] DN125 (5" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN125 (5" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-100-RF-WN-S80-A150-316] DN100 (4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN100 (4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-80-RF-WN-S80-A150-316] DN80 (3" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN80 (3" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-65-RF-WN-S80-A150-316] DN65 (2.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN65 (2.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-50-RF-WN-S80-A150-316] DN50 (2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN50 (2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-40-RF-WN-S80-A150-316] DN40 (1.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN40 (1.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-32-RF-WN-S80-A150-316] DN32 (1.1/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN32 (1.1/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-25-RF-WN-S80-A150-316] DN25 (1" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN25 (1" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-20-RF-WN-S80-A150-316] DN20 (3/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN20 (3/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-15-RF-WN-S80-A150-316] DN15 (1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

DN15 (1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316

[SS-NB-FLA-200-RF-WN-S80-A150-304] DN200 (8" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN200 (8" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-150-RF-WN-S80-A150-304] DN150 (6" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN150 (6" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-125-RF-WN-S80-A150-304] DN125 (5" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN125 (5" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-100-RF-WN-S80-A150-304] DN100 (4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN100 (4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-80-RF-WN-S80-A150-304] DN80 (3" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN80 (3" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-65-RF-WN-S80-A150-304] DN65 (2.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN65 (2.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-50-RF-WN-S80-A150-304] DN50 (2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN50 (2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-40-RF-WN-S80-A150-304] DN40 (1.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN40 (1.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-32-RF-WN-S80-A150-304] DN32 (1.1/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN32 (1.1/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-25-RF-WN-S80-A150-304] DN25 (1" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN25 (1" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-20-RF-WN-S80-A150-304] DN20 (3/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN20 (3/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-15-RF-WN-S80-A150-304] DN15 (1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

DN15 (1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304

[SS-NB-FLA-250-RF-WN-S10-A150-316] DN250 (10" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN250 (10" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 629.13
[SS-NB-FLA-250-RF-WN-S10-A150-304] DN250 (10" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN250 (10" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 930.54
[SS-NB-FLA-200-RF-WN-S10-A150-316] DN200 (8" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN200 (8" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 574.35
[SS-NB-FLA-200-RF-WN-S10-A150-304] DN200 (8" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN200 (8" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 360.99
[SS-NB-FLA-125-RF-WN-S10-A150-316] DN125 (5" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN125 (5" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 220.17
[SS-NB-FLA-125-RF-WN-S10-A150-304] DN125 (5" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN125 (5" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 235.86
[SS-NB-FLA-100-RF-WN-S10-A150-316] DN100 (4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN100 (4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 170.01
[SS-NB-FLA-100-RF-WN-S10-A150-304] DN100 (4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN100 (4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 191.22
[SS-NB-FLA-80-RF-WN-S10-A150-316] DN80 (3" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN80 (3" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 202.02
[SS-NB-FLA-80-RF-WN-S10-A150-304] DN80 (3" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN80 (3" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 114.15
[SS-NB-FLA-65-RF-WN-S10-A150-316] DN65 (2.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN65 (2.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 148.05
[SS-NB-FLA-65-RF-WN-S10-A150-304] DN65 (2.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN65 (2.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 117.06
[SS-NB-FLA-50-RF-WN-S10-A150-316] DN50 (2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN50 (2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 76.68
[SS-NB-FLA-50-RF-WN-S10-A150-304] DN50 (2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN50 (2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 69.15
[SS-NB-FLA-40-RF-WN-S10-A150-316] DN40 (1.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN40 (1.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 49.20
[SS-NB-FLA-40-RF-WN-S10-A150-304] DN40 (1.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN40 (1.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 41.94
[SS-NB-FLA-32-RF-WN-S10-A150-316] DN32 (1.1/4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN32 (1.1/4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 50.25
[SS-NB-FLA-32-RF-WN-S10-A150-304] DN32 (1.1/4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN32 (1.1/4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 27.00
[SS-NB-FLA-25-RF-WN-S10-A150-316] DN25 (1" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN25 (1" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 30.99
[SS-NB-FLA-25-RF-WN-S10-A150-304] DN25 (1" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN25 (1" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 18.99
[SS-NB-FLA-20-RF-WN-S10-A150-316] DN20 (3/4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN20 (3/4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 22.92
[SS-NB-FLA-20-RF-WN-S10-A150-304] DN20 (3/4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN20 (3/4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 25.02
[SS-NB-FLA-15-RF-WN-S10-A150-316] DN15 (1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

DN15 (1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316

£ 19.62
[SS-NB-FLA-15-RF-WN-S10-A150-304] DN15 (1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

DN15 (1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304

£ 17.04
[SS-NB-FLA-80-RF-WN-S10-P16-316] DN80 (3" NB) SCHEDULE 10S PN16 WELD NECK FLANGE SS 316

DN80 (3" NB) SCHEDULE 10S PN16 WELD NECK FLANGE SS 316

£ 108.63
[SS-NB-FLA-50-RF-WN-S10-P16-316] DN50 (2" NB) SCHEDULE 10S PN16 WELD NECK FLANGE SS 316

DN50 (2" NB) SCHEDULE 10S PN16 WELD NECK FLANGE SS 316

£ 58.44
[SS-NB-FLA-65-RF-WN-S10-P16-316] DN65 (2.1/2" NB) SCHEDULE 10S PN16 WELD NECK FLANGE SS 316

DN65 (2.1/2" NB) SCHEDULE 10S PN16 WELD NECK FLANGE SS 316

£ 68.34
[SS-NB-FLA-32-RF-WN-S10-P16-304] DN32 (1.1/4" NB) SCHEDULE 10S PN16 WELD NECK FLANGE SS 304

DN32 (1.1/4" NB) SCHEDULE 10S PN16 WELD NECK FLANGE SS 304

£ 27.00
[SS-NB-FLA-100-RF-WN-S10-P16-304] DN100 (4" NB) SCHEDULE 10S PN16 WELD NECK FLANGE SS 304

DN100 (4" NB) SCHEDULE 10S PN16 WELD NECK FLANGE SS 304

£ 191.22